Inverter (L) - three-phase powered (3x400 V / 50 Hz) with three-phase output (3x400 V / 0.1-400 Hz) frequency converters for surface mounting or in a cabinet (IP20 up to 11 kW, above IP00). The more important functions include RS485 communication, vector and U / f sensorless control, built-in PID controller, 5 freely programmable inputs, 8 step speeds, freely programmable digital outputs, relay output, and 0… 10V analog output.